Insider vs Sirdata
Head-to-head usage across the sites we track.
Top sites by authority
Insider · Sirdata · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
7
3
Open Page Rank 8+
54
21
Open Page Rank 7+
136
81
Open Page Rank 6+
250
159
Open Page Rank 5+
438
338
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Insider · Sirdata · share of sites in each country using one or the other
France
780
4,295
Indonesia
3,361
151
United States
1,504
814
Spain
728
900
Germany
946
662
United Kingdom
970
578
Belgium
444
1,087
Canada
759
650
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Insider | Sirdata |
|---|---|---|
| LCP | 2.5 s | 1.8 s |
| INP | 200 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.